Figure 2. Phylogenetic analysis of CHIKV genotype circulating during the 2016 outbreak in the Alagoas State. The CHIKV sequences from Alagoas analyzed are represented by black circles (n=11). CHIKV strains previously detected in Brazil are marked by blank circles and all sequences used in the analysis were named with GenBank accession number/Country/Year. The O'nyong nyong virus was used as outgroup.
